National Measurement Regulations 1999

An approval holder may apply for variation of the pattern approved by an approving authority by lodging:

a written application with the authority; and

the certificate of approval of the pattern or a copy of the certificate; and

detailed drawings and specifications showing the variation.

The approving authority may, by written notice given to the applicant, require the applicant to lodge with the authority:

the whole or a part of the pattern of a measuring instrument as proposed to be varied; and

the whole or a part of the measuring instrument constructed in accordance with the pattern as proposed to be varied; and

any additional information that the authority needs to consider the application properly.

The approving authority may refuse to proceed with the application until the applicant complies with the notice.